A point charge +10 microcoulomb is at a distance of 5cm directly above the centre of square of side 10cm. What is the magnitude of electric flux through the square?
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By symmetry of six faces of a cube
Total electric flux Φ = 6 X Flux through square
∴ Flux through square
= (1/6)Φ = (1/6) X q X (1/ε₀)
= (1/6) X 10 X 10⁻⁶ X ( 1/(8.85 X 10⁻¹²))
= 1.88 X 10⁵ Nm²C⁻¹
Hope this helps you. :)
Total electric flux Φ = 6 X Flux through square
∴ Flux through square
= (1/6)Φ = (1/6) X q X (1/ε₀)
= (1/6) X 10 X 10⁻⁶ X ( 1/(8.85 X 10⁻¹²))
= 1.88 X 10⁵ Nm²C⁻¹
Hope this helps you. :)
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